MESON Chess Problem Database

Problem Display
PID: 116156 (1b6/5p2/5B1p/2R1n2p/4pk2/4N1n1/8/K3N1Qr w - - 0 1)

Goldschmidt, Josef

Al Hamishmar, 1952

1b6/5p2/5B1p/2R1n2p/4pk2/4N1n1/8/K3N1Qr

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sf5
      • 2.Sd5#
    • 1...Sf3
      • 2.S1g2#
    • 1...Sc4
      • 2.Qf2#
    • 1...Sg4
      • 2.S3g2#
    • 1...Sc6
      • 2.Qf2#
    • 1...Sg6
      • 2.Qf2#
    • 1...Sd7
      • 2.Qf2#
  • Tries
    • 1.Bxe5+?
      • 1...Kg5
        • 2.Qxg3#
      • 1...Bxe5+!
  • Keys
    • 1.Bg7!
      • threat
        • 2.Bxh6#
      • 1...Kg5
        • 2.Qxg3#
      • 1...Sf5
        • 2.Sd5#
      • 1...Sf3
        • 2.S1g2#
      • 1...Sg4
        • 2.S3g2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • S(b);SBLOCK::S(D)
    • S(e);SBLOCK::S(B)
    • S(e);N_GUARD::QAR2(C)
    • S(e);SBLOCK::S(D)
  • Tries
    • Try
      • B(F);CHECK,XS(e)
      • Vars
        • K(d);P_SPINS(b),S_FLIGHT::QAR2(C),XS(b)
      • Refutation
        • B(i);CHECK,XB(F)
  • Actual
    • B(F);
    • Threat
      • B(F),XP(g)
    • Vars
      • K(d);P_SPINS(b),S_FLIGHT::QAR2(C),XS(b)
      • S(b);SBLOCK::S(D)
      • S(e);SBLOCK::S(B)
      • S(e);SBLOCK::S(D)
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